Object that contains message ksb.csle.common.proto.StreamOperatorProto.InterpolationInfo InterpolationInfo contains attributes as follows:
message InterpolationInfo { required string indexColumnName = 1; required int32 stepSize = 2 [default = 1]; required InterpolationMethodOption methodOption = 3 [default = LINEAR]; optional bool keepColumnType = 4 [default = false]; }
:: ApplicationDeveloperApi ::
Operator that converts the dataframe at regular intervals by interpolation. LINEAR: curve fitting using linear polynomials to construct new data points. NEAREST: Nearest-neighbor interpolation, selects the value of the nearest point. PREV_COPY: selects the previous value.